mirror of
https://github.com/n8n-io/n8n.git
synced 2024-09-20 23:07:32 -07:00
543 lines
12 KiB
TypeScript
543 lines
12 KiB
TypeScript
import {
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BINARY_ENCODING,
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IExecuteFunctions,
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} from 'n8n-core';
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import {
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IDataObject,
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INodeTypeDescription,
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INodeExecutionData,
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INodeType,
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} from 'n8n-workflow';
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import { OptionsWithUri } from 'request';
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export class Dropbox implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Dropbox',
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name: 'dropbox',
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icon: 'file:dropbox.png',
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group: ['input'],
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version: 1,
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description: 'Access data on Dropbox',
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defaults: {
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name: 'Dropbox',
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color: '#22BB44',
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},
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inputs: ['main'],
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outputs: ['main'],
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credentials: [
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{
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name: 'dropboxApi',
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required: true,
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}
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],
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properties: [
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{
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displayName: 'Operation',
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name: 'operation',
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type: 'options',
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options: [
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{
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name: 'Copy',
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value: 'copy',
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description: 'Copy a file or folder',
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},
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{
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name: 'Create Folder',
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value: 'createFolder',
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description: 'Creates a folder',
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},
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{
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name: 'Delete',
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value: 'delete',
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description: 'Deletes a file or folder',
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},
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{
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name: 'Download File',
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value: 'downloadFile',
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description: 'Downloads a file',
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},
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{
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name: 'Get Folder Content',
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value: 'listFolderContent',
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description: 'Returns the files and folder in a given folder',
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},
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{
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name: 'Move',
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value: 'move',
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description: 'Moves a file or folder',
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},
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{
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name: 'Upload File',
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value: 'uploadFile',
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description: 'Uploads a file into a folder',
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},
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],
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default: 'uploadFile',
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description: 'The operation to perform.',
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},
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// ----------------------------------
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// copy
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// ----------------------------------
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{
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displayName: 'From Path',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'copy'
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],
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},
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},
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placeholder: '/invoices/original.txt',
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description: 'The path of file or folder to copy.',
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},
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{
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displayName: 'To Path',
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name: 'toPath',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'copy'
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],
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},
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},
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placeholder: '/invoices/copy.txt',
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description: 'The destination path of file or folder.',
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},
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// ----------------------------------
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// createFolder
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// ----------------------------------
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{
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displayName: 'Folder',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'createFolder'
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],
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},
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},
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placeholder: '/invoices/2019',
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description: 'The folder to create. The parent folder has to exist.',
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},
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// ----------------------------------
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// delete
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// ----------------------------------
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{
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displayName: 'Delete Path',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'delete'
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],
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},
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},
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placeholder: '/invoices/2019/invoice_1.pdf',
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description: 'The path to delete. Can be a single file or a whole folder.',
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},
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// ----------------------------------
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// downloadFile
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// ----------------------------------
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{
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displayName: 'File Path',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'downloadFile'
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],
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},
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},
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placeholder: '/invoices/2019/invoice_1.pdf',
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description: 'The file path of the file to download. Has to contain the full path.',
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},
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{
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displayName: 'Binary Property',
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name: 'binaryPropertyName',
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type: 'string',
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required: true,
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default: 'data',
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displayOptions: {
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show: {
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operation: [
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'downloadFile'
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],
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},
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},
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description: 'Name of the binary property to which to<br />write the data of the read file.',
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},
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// ----------------------------------
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// listFolderContent
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// ----------------------------------
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{
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displayName: 'Folder Path',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'listFolderContent'
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],
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},
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},
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placeholder: '/invoices/2019/',
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description: 'The path of which to list the content.',
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},
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// ----------------------------------
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// move
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// ----------------------------------
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{
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displayName: 'From Path',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'move'
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],
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},
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},
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placeholder: '/invoices/old_name.txt',
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description: 'The path of file or folder to move.',
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},
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{
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displayName: 'To Path',
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name: 'toPath',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'move'
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],
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},
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},
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placeholder: '/invoices/new_name.txt',
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description: 'The new path of file or folder.',
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},
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// ----------------------------------
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// uploadFile
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// ----------------------------------
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{
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displayName: 'File Path',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'uploadFile'
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],
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},
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},
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placeholder: '/invoices/2019/invoice_1.pdf',
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description: 'The file path of the file to upload. Has to contain the full path. The parent folder has to exist. Existing files get overwritten.',
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},
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{
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displayName: 'Binary Data',
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name: 'binaryData',
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type: 'boolean',
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default: false,
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displayOptions: {
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show: {
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operation: [
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'uploadFile'
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],
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},
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},
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description: 'If the data to upload should be taken from binary field.',
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},
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{
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displayName: 'File Content',
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name: 'fileContent',
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type: 'string',
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default: '',
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displayOptions: {
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show: {
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operation: [
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'uploadFile'
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],
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binaryData: [
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false
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],
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},
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},
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placeholder: '',
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description: 'The text content of the file to upload.',
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},
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{
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displayName: 'Binary Property',
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name: 'binaryPropertyName',
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type: 'string',
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default: 'data',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'uploadFile'
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],
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binaryData: [
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true
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],
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},
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},
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placeholder: '',
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description: 'Name of the binary property which contains<br />the data for the file to be uploaded.',
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},
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],
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};
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async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
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const items = this.getInputData();
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const returnData: IDataObject[] = [];
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const credentials = this.getCredentials('dropboxApi');
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if (credentials === undefined) {
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throw new Error('No credentials got returned!');
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}
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const operation = this.getNodeParameter('operation', 0) as string;
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let endpoint = '';
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let requestMethod = '';
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let body: IDataObject | Buffer;
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let isJson = false;
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let headers: IDataObject;
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for (let i = 0; i < items.length; i++) {
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body = {};
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headers = {
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'Authorization': `Bearer ${credentials.accessToken}`,
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};
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if (operation === 'copy') {
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// ----------------------------------
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// copy
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// ----------------------------------
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requestMethod = 'POST';
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isJson = true;
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body = {
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from_path: this.getNodeParameter('path', i) as string,
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to_path: this.getNodeParameter('toPath', i) as string,
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};
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endpoint = 'https://api.dropboxapi.com/2/files/copy_v2';
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} else if (operation === 'createFolder') {
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// ----------------------------------
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// createFolder
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// ----------------------------------
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requestMethod = 'POST';
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isJson = true;
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body = {
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path: this.getNodeParameter('path', i) as string,
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};
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endpoint = 'https://api.dropboxapi.com/2/files/create_folder_v2';
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} else if (operation === 'delete') {
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// ----------------------------------
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// delete
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// ----------------------------------
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requestMethod = 'POST';
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isJson = true;
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body = {
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path: this.getNodeParameter('path', i) as string,
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};
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endpoint = 'https://api.dropboxapi.com/2/files/delete_v2';
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} else if (operation === 'downloadFile') {
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// ----------------------------------
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// downloadFile
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// ----------------------------------
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requestMethod = 'POST';
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headers['Dropbox-API-Arg'] = JSON.stringify({
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path: this.getNodeParameter('path', i) as string,
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});
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endpoint = 'https://content.dropboxapi.com/2/files/download';
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} else if (operation === 'listFolderContent') {
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// ----------------------------------
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// listFolderContent
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// ----------------------------------
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requestMethod = 'POST';
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isJson = true;
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body = {
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path: this.getNodeParameter('path', i) as string,
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limit: 2000,
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};
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// TODO: If more files than the max-amount exist it has to be possible to
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// also request them.
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endpoint = 'https://api.dropboxapi.com/2/files/list_folder';
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} else if (operation === 'move') {
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// ----------------------------------
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// move
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// ----------------------------------
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requestMethod = 'POST';
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isJson = true;
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body = {
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from_path: this.getNodeParameter('path', i) as string,
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to_path: this.getNodeParameter('toPath', i) as string,
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};
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endpoint = 'https://api.dropboxapi.com/2/files/move_v2';
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} else if (operation === 'uploadFile') {
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// ----------------------------------
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// uploadFile
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// ----------------------------------
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requestMethod = 'POST';
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headers['Content-Type'] = 'application/octet-stream';
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headers['Dropbox-API-Arg'] = JSON.stringify({
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mode: 'overwrite',
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path: this.getNodeParameter('path', i) as string,
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});
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endpoint = 'https://content.dropboxapi.com/2/files/upload';
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if (this.getNodeParameter('binaryData', i) === true) {
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// Is binary file to upload
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const item = items[i];
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if (item.binary === undefined) {
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throw new Error('No binary data exists on item!');
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}
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const propertyNameUpload = this.getNodeParameter('binaryPropertyName', i) as string;
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if (item.binary[propertyNameUpload] === undefined) {
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throw new Error(`No binary data property "${propertyNameUpload}" does not exists on item!`);
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}
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body = Buffer.from(item.binary[propertyNameUpload].data, BINARY_ENCODING);
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} else {
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// Is text file
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body = Buffer.from(this.getNodeParameter('fileContent', i) as string, 'utf8');
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}
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} else {
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throw new Error(`The operation "${operation}" is not known!`);
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}
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const options: OptionsWithUri = {
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headers,
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method: requestMethod,
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qs: {},
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uri: endpoint,
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json: isJson,
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};
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if (Object.keys(body).length) {
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options.body = body;
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}
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if (operation === 'downloadFile') {
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// Return the data as a buffer
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options.encoding = null;
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}
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const responseData = await this.helpers.request(options);
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if (operation === 'downloadFile') {
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// TODO: Has to check if it already exists and only add if not
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if (items[i].binary === undefined) {
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items[i].binary = {};
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}
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const dataPropertyNameDownload = this.getNodeParameter('binaryPropertyName', i) as string;
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const filePathDownload = this.getNodeParameter('path', i) as string;
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items[i].binary![dataPropertyNameDownload] = await this.helpers.prepareBinaryData(responseData, filePathDownload);
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} else if (operation === 'listFolderContent') {
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const propNames: { [key: string]: string } = {
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'id': 'id',
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'name': 'name',
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'client_modified': 'lastModifiedClient',
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'server_modified': 'lastModifiedServer',
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'rev': 'rev',
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'size': 'contentSize',
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'.tag': 'type',
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'content_hash': 'contentHash',
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};
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for (const item of responseData.entries) {
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const newItem: IDataObject = {};
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// Get the props and save them under a proper name
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for (const propName of Object.keys(propNames)) {
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if (item[propName] !== undefined) {
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newItem[propNames[propName]] = item[propName];
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}
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}
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returnData.push(newItem as IDataObject);
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}
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} else {
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returnData.push(responseData as IDataObject);
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}
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}
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if (operation === 'downloadFile') {
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// For file downloads the files get attached to the existing items
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return this.prepareOutputData(items);
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} else {
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// For all other ones does the output get replaced
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return [this.helpers.returnJsonArray(returnData)];
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}
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}
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}
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